Caithness Potatoes Ltd is the exclusive production, sales and export marketing licensee for all the basic seed of the Caithness varieties produced on high health farms in Scotland. Production and distribution of seed potatoes is handled by FIMM farming, J & E Smillie Growers, Robert J S Doig & Co and selected growers. Caithness Potatoes currently have 17 varieties registered on UK National List. These vary from Nadine, Harmony and Osprey, which are among the top commercial varieties in the UK, to Kestrel, Mimi and Pixie for high quality niches. Winston, Argos and Valor are currently all expanding for Mediterranean production. Valor and Verity are ideal and expanding in organic production systems. New varieties include Bute, selected for its strengths in the white pre-pack market, which produces high yields of bold, uniform bright tubers, and Divaa, a very versatile early variety giving good yields of very bright tubers with very white skin and flesh.